A car driver, driving in a fog, passes a pedestrian who was walking at the rate of 2 km/h in the same direction. The ped…

A car travels at a speed of 60 km/hr and covers a particular distance in one hour. How long will it take for another car…

A train is 250 m long. If the train takes 50 second to cross a tree by the railway line, then the speed of the train on…

A boy rides his bicycle 10 km at an average speed of 12 km/hr and travells 12 km at an average speed of 10 km/hr. His av…

A man goes downstream with a boat to some destination and returns upstream to his original place in 5 hours. If the spee…

A man travels some distance at a speed of 12 km/hr and returns at a speed of 9 km/hr. If the total time taken by him is …

A train travelling at a speed of 30 m/sec crosses a platform, 600 metres long in 30 seconds. The length (in metres) of t…

In a race of one kilometre. A gives B a start of 100 metres and still wins by 20 seconds. But if A gives B a start of 2…